Double oven gas cooker



FIG. 1 is a front, top and left side perspective view of a double oven gas cooker showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a double oven gas cooker, as shown. 